UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/aYcpb8VKhZ+EEk835iWDzWYJnXs30kWz5+SA9IgzNM=' 
WHERE 
  key_id = '1517811a95d1e0d58e075d1fd6281ee4bbbf45b8d554405cd401ccbc68c2b9c0' 
  AND (
    token = '/aYcpb8VKhZ+EEk835iWDzWYJnXs30kWz5+SA9IgzNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )